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Materials
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Eco-Friendly and Environmentally Sustainable Materials
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Eco-Friendly and Environmentally Sustainable Materials

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Advanced Composites".

Deadline for manuscript submissions: closed (20 August 2022) | Viewed by 1718

Special Issue Editors

Dr. Brian J. Wisner

E-Mail Website
Guest Editor
Center for Advanced Materials Processing, Department of Mechanical Engineering, Russ College of Engineering and Technology, Ohio University, Athens, OH 45701, USA
Interests: nondestructive testing and evaluation (NDT&E); mechanical behavior of materials; additive manufacturing; composite systems; microstructure-property-performance linkages
Dr. Andrew C. Weems

E-Mail Website
Guest Editor
Biomedical Engineering Program, Ohio University, Athens, OH 45701, USA
Interests: biomaterials; polymeric materials; stimuli-responsive materials

Special Issue Information

Dear Colleagues,

Engineered materials are consistently pushing the boundaries of use by enhancing properties. Often, this comes at the cost of environmental sustainability. Many processes produce toxic waste or generate single-use material systems that cannot be easily repurposed. This Special Issue focuses on the development of material systems that are environmentally friendly either through naturally sourcing base materials or through development of recycling methods. Emphasis in this Special Issue will be placed on the characterization of such materials for practical use in structural and bio applications, along with thermal and electrical applications.

Papers on strategies for sustainably sourcing materials from natural or waste sources and development of functional materials for a range of applications are encouraged.

Dr. Brian J. Wisner
Dr. Andrew C. Weems
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Materials is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • sustainability
  • naturally sourced
  • environmentally friendly

Published Papers (1 paper)

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Research

12 pages, 3763 KiB  
Article
Biodiesel Production Using Lithium Metasilicate Synthesized from Non-Conventional Sources
by Eduardo Coutino-Gonzalez, Mario Ávila-Gutiérrez, Arnold Hernández-Palomares, Lilian I. Olvera, Francisco J. Rodríguez-Valadez and Fabricio Espejel-Ayala
Materials 2022, 15(19), 6753; https://doi.org/10.3390/ma15196753 - 29 Sep 2022
Cited by 1 | Viewed by 1170
Abstract
A facile and versatile process to produce lithium metasilicate (Li2SiO3) from non-conventional silicon sources (two different sand sources from the central area of México) was developed. The synthesis protocol based on a solid-state reaction followed by a hydrothermal treatment [...] Read more.
A facile and versatile process to produce lithium metasilicate (Li2SiO3) from non-conventional silicon sources (two different sand sources from the central area of México) was developed. The synthesis protocol based on a solid-state reaction followed by a hydrothermal treatment resulted in highly pure lithium metasilicate, as corroborated by XRD, SEM-EDS, and XPS analysis. Furthermore, lithium metasilicate was used as a heterogeneous catalyst for biodiesel production from soybean oil, where conversion yields were compared according to the silicon source used (based on chemical purity, stability, and yield efficiency). The best performing metasilicate material displayed a maximum of 95.5% of biodiesel conversion under the following conditions: 180 min, 60 °C, 5% catalyst (wt./wt., catalyst-to-oil), and 18:1 (methanol:oil). This contribution opens up alternatives for the production of lithium metasilicate using non-conventional precursors and its use as an alternative catalyst in biodiesel production, displaying better chemical stability against humidity than conventional heterogeneous catalysts. Full article
(This article belongs to the Special Issue Eco-Friendly and Environmentally Sustainable Materials)
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